Home / 696,644,391.60-961,369,417.98-383,378,605.56

Finding the Fourth Proportional to 696,644,391.60, 961,369,417.98 and 383,378,605.56

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Solution

The fourth proportional to 696,644,391.60, 961,369,417.98 and 383,378,605.56 is: 529,062,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,644,391.60 : 961,369,417.98 = 383,378,605.56 : x
  2. Step 2: Convert to fraction form
    696,644,391.60/961,369,417.98 = 383,378,605.56/x
  3. Step 3: Cross multiply
    696,644,391.60x = 961,369,417.98 × 383,378,605.56
  4. Step 4: Simplify right side
    696,644,391.60x = 368,568,466,893,201,216
  5. Step 5: Solve for x
    x = 368,568,466,893,201,216/696,644,391.60
  6. Step 6: Final answer
    x = 529,062,562.39

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.